28220520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{235171}}^1$

素因数の和:235185

約数の個数: 32

約数和(自身を含む): 84661920

約数和(自身を除く): 56441400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 235171, 470342, 705513, 940684, 1175855, 1411026, 1881368, 2351710, 2822052, 3527565, 4703420, 5644104, 7055130, 9406840, 14110260, 28220520]

約数ペア:

[(1, 28220520), (2, 14110260), (3, 9406840), (4, 7055130), (5, 5644104), (6, 4703420), (8, 3527565), (10, 2822052), (12, 2351710), (15, 1881368), (20, 1411026), (24, 1175855), (30, 940684), (40, 705513), (60, 470342), (120, 235171)]